Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836581 | Optical filter for wavelength division multipled optical signals | Ping Xie, Simon Yuanxiang Wu, Yalan Mao, R. Brad Bettman, Nadim Maluf | 2004-12-28 |
| 6694066 | Method and apparatus for an optical filter | Ping Xie, Simon Wu, Yalan Mao, R. Brad Bettman, Nadim Maluf | 2004-02-17 |
| 6684002 | Method and apparatus for an optical filter | Ping Xie, Simon Yuanxiang Wu, Yalan Mao, R. Brad Bettman, Nadim Maluf | 2004-01-27 |